mm/ksm: use folio in remove_rmap_item_from_tree

To save 2 compound_head calls.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Alex Shi (tencent) <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Cc: Izik Eidus <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Chris Wright <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

1 files changed, 5 insertions, 5 deletions

diff --git a/mm/ksm.c b/mm/ksm.c
index ac126a4c245c..ef5c4b6d377c 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1006,16 +1006,16 @@ static void remove_rmap_item_from_tree(struct ksm_rmap_item *rmap_item)
 {
 	if (rmap_item->address & STABLE_FLAG) {
 		struct ksm_stable_node *stable_node;
-		struct page *page;
+		struct folio *folio;
 
 		stable_node = rmap_item->head;
-		page = get_ksm_page(stable_node, GET_KSM_PAGE_LOCK);
-		if (!page)
+		folio = ksm_get_folio(stable_node, GET_KSM_PAGE_LOCK);
+		if (!folio)
 			goto out;
 
 		hlist_del(&rmap_item->hlist);
-		unlock_page(page);
-		put_page(page);
+		folio_unlock(folio);
+		folio_put(folio);
 
 		if (!hlist_empty(&stable_node->hlist))
 			ksm_pages_sharing--;